This snapshot came from the video found inside this post on X back in 2020:
https://x.com/HistoryOfECW/status/1844467942404260276
Club ECW was a paid membership for fans who attended shows at the ECW Arena. Toward the end of ECW many fans complained that the company was taking money for Club ECW, but never refunded once the company stopped running shows.
Nonetheless, the fans in the mid-1990's who were Club ECW members seem to have fond memories such as those seen here:
https://x.com/i/status/1327030361117888513
Here are some fan posts about being a part of Club ECW from that era:
https://x.com/ATocksin/status/1779200178613817610
https://x.com/jimmyritt33/status/1668808089712095235
https://x.com/politicin_hak/status/1360976551278477316
https://x.com/LordMikeEps/status/720839909989228544
https://x.com/bobaroundnj/status/1331334536647598080
https://x.com/JAREDandSARAH/status/1113594200325541888
https://x.com/BrianPhelps7/status/1965061490270237157
https://x.com/AngTitan/status/1919868517848944904
https://x.com/BeardedHrrrFn13/status/1853897245524930985